Gold Sperm organic_polymer 2dMaterials Hafnia Pyroelectric Spain multi_layer Gallium lithography Calcium semifluorinated alkane OpticalModulator Fujian PECurve PVAP3HT Bio University_of_Regensburg Microchannel Multiferroic_materials StainlessSteel MonoLayer Tungsten Mobile LiftMode Current Chemical_Vapor_Deposition Force-distance Nanofiber Sidewall Morphology Vinylpyridine TiO2 Adhesive Dopped